US Bridges

FAS 177 over I-40

Fair

Shelby County, Tennessee · SR-177 / I-40 · Structure no. 79I00400117

Built
1988
37 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
287 ft
2 main spans
Daily traffic
46,105
2021 count
Owner
State
State Highway Agency

About this bridge

FAS 177 over I-40 is a steel continuous stringer/multi-beam or girder carrying FAS 177 over I-40 in Shelby County, Tennessee. It was built in 1988, so it is 37 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 46,105 vehicles a day, roughly 8% of them trucks, projected to reach 61,066 by 2042. The structure is 287 ft (87.4 m) long and 142 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFAS 177
CrossesI-40
LocationSR-177 / I-40
RouteState Highway 177
CountyShelby County
StateTennessee
Coordinates35.19472, -89.79195
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length287 ft (87.4 m)
Longest span159 ft (48.4 m)
Deck width142 ft (43.4 m)
Roadway width140 ft (42.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,105 (2021)
Projected traffic61,066 by 2042
Trucks8%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAS 177 over I-40 built?

It was built in 1988, making it 37 years old in 2025.

What condition is FAS 177 over I-40 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does FAS 177 over I-40 carry?

About 46,105 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is FAS 177 over I-40?

The structure is 287 ft (87.4 m) long with a longest span of 159 ft (48.4 m) and a deck 142 ft wide.

Who owns FAS 177 over I-40?

It is owned by the State Highway Agency.